Anatomy and Physiology

What Part of the Brain Makes Decisions?

Why Do Birds Feathers Fall Out? Molting and Other Causes

What Is Microchimerism and How Does It Affect the Body?

Is the Northern Ringneck Snake Poisonous?

Is the Blue Whale Bigger Than Dinosaurs?

How Does the Circulatory System Work With the Reproductive System?

What Is Negative Feedback in the Endocrine System?

Do Fish Urinate? The Science of Aquatic Excretion

What Are the Ionizable Amino Acids and Why Do They Matter?

Does Blood Float in Water? A Scientific Explanation

Why Is the Phrase “Breathe From the Diaphragm” Inaccurate?

What Is the Main Difference Between Cytokinesis in Plants and Animals?

Is Glycerol the Same as Glycerin? Key Distinctions

Do Fish Hear? How They Sense Sound in an Underwater World

What Are the Three Main Cell Theories?

How Many Knuckles Do We Have? The Official Count

Why Exactly Do Birds Wiggle Their Heads?

What Is a Mandible? Anatomy, Function, and Issues

What Nerves Are in the Knee and How Do They Function?

How Fast Can an Alligator Swim in the Water?